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And it is silly to penalize students for reporting results with one
or
two insignificant digits.
Indeed ... call them "guard digits" and encourage them.
Guard digits are your friends.
I appreciate your thoughts and have fought against the way sig figs
have
been taught for years but I am confused by your previous statement.
How can
digits that carry no significance (meaning I have no idea what the real
value in that place should be) guard anything?